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Date:      Sun, 03 May 2015 15:15:30 -0400
From:      Baho Utot <baho-utot@columbus.rr.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: FreeBSD-10.1 3.0TB hard drive
Message-ID:  <554673D2.4030505@columbus.rr.com>
In-Reply-To: <20150504005531.751c996b.freebsd@edvax.de>
References:  <5546681D.5030004@columbus.rr.com> <20150504005531.751c996b.freebsd@edvax.de>

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On 05/03/15 18:55, Polytropon wrote:
> On Sun, 03 May 2015 14:25:33 -0400, scrat wrote:
>> I have been trying to get a 3.0TB drive to show up using gpart show
>>
>> dmesg show the following:
>>
>> ada1 at ahcich1 bus 0 scbus1 target 0 lun 0
>> ada1: <HGST HDN724030ALE640 MJ8OA5E0> ATA-8 SATA 3.x device
>> ada1: Serial Number PK2234P9H997BY
>> ada1: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes)
>> ada1: Command Queueing enabled
>> ada1: 2861588MB (5860533168 512 byte sectors: 16H 63S/T 16383C)
>> ada1: Previously was known as ad6
>> .......
>> GEOM: ada1: the secondary GPT header is not in the last LBA.
>> GEOM_PART: integrity check failed (ada1, GPT)
>>
>> ls /dev shows ada1 and nothing else (like adap1 and ada1p2).
> Something like "adap1" doesn't exist. It's always "ada<dev>p<part>"
> for GPT partitioned disks (either using "ada", "da" or "ad" for the
> disk driver, depending on your configuration).

Yes I should have wrote ada1p1, I mis-typed

>
>
>> It is
>> partitioned with two primary partitions (GPT)
> GPT does not have primary partitions, MBR has. But you would
> see that fact reflected in /dev. Example:
>
> 	GPT: /dev/ada1p1 /dev/ada1p1
> 	MBR: /dev/ada1s1 /dev/ada1s2 /dev/ada1s2a (maybe more)
>
> You can use "gpart show" to examine what partitioning data is
> actually present. "fdisk" will also tell you (for MBR only).
> This is usually easier than concluding from the device files.
>

It does not show ada1 at all nothing is returned.


>
>> one is ntfs for windows
>> and I want to create a UFS files system on the other but it doesn't show
>> any partitions.
> So there is _one_ partition, plus unallocated space? Or is there
> already a second partition which you want to "re-use"? As mentioned,
> use "gpart show" to check. If you know the device name, you can
> simply run the following command:
>
> 	# newfs /dev/ada1p2

Nothing doing..., FreeBSD already trashed the ntfs once.

  I can not do a newfs -U /dev/ada1p2 when it does not exist.

The partition is there (ada1p2) win7 sees it FreeBSD only show /dev/ada1 
and nothing else.

gpart show ada1

root@baho-utot:~ # gpart show ada0
=>       63  976773105  ada0  MBR  (466G)
          63       1985        - free -  (993K)
        2048     204800     1  ntfs  (100M)
      206848  614195200     2  ntfs  (293G)
   614402048         34        - free -  (17K)
   614402082  362371023     3  freebsd  [active]  (173G)
   976773105         63        - free -  (32K)

root@baho-utot:~ # gpart show ada1
gpart: No such geom: ada1.
root@baho-utot:~ #







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